Globally, Douste-Blazy (Douste-Blazy 
) is an extremely rare unknown gender given name. Much more prevalently, Douste-Blazy is the last name as well as the forename. Parts of the name also exists independently as a last name Douste, and a last name Blazy.
| VARIANT | COUNTRY |
|---|---|
| Douste-Blazy | France |